[Bug rtl-optimization/42164] [4.5 Regression] internal compiler error: in simplify_subreg, at simplify-rtx.c:5138

[daney at gcc dot gnu dot org]

------- Comment #12 from daney at gcc dot gnu dot org  2009-12-04 17:46 -------
Subject: Bug 42164

Author: daney
Date: Fri Dec  4 17:46:23 2009
New Revision: 154987

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=154987
Log:
2009-12-04  David Daney  <dda...@caviumnetworks.com>

        PR rtl-optimization/42164
        * combine.c (combine_simplify_rtx): Handle truncation of integer
        constants.

2009-12-04  David Daney  <dda...@caviumnetworks.com>

        PR rtl-optimization/42164
        * gcc.c-torture/compile/pr42164.c: New test.


Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr42164.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/combine.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42164